Selection Device, Selection Method, and Recording Medium

1. A selection device comprising: a motor database to store information about a motor; an amplifier database to store information about an amplifier; a mechanical component database to store information about a mechanical component; information acquisition circuitry to acquire machine specification information indicating a specification of a machine, operation pattern information indicating an operation pattern of the machine, and mechanical component specification information indicating a specification of a mechanical component; capacity calculation circuitry to calculate a capacity of a motor required for operating the machine on a basis of the machine specification information, the operation pattern information, and the mechanical component specification information; motor selection circuitry to select a motor on a basis of the capacity and the information held in the motor database; amplifier selection circuitry to select an amplifier on a basis of information on the motor selected by the motor selection circuitry and the information held in the amplifier database; mechanical component selection circuitry to select the mechanical component on a basis of the mechanical component specification information, the information about the motor selected by the motor selection circuitry, and the information held in the mechanical component database; and a display device to display at least one selection result obtained by the motor selection circuitry, at least one selection result obtained by the amplifier selection circuitry, and at least one selection result obtained by the mechanical component selection circuitry, wherein if there are a plurality of selection results in the at least one selection results for at least one of the motor, the amplifier, and the mechanical component, the display device displays, in a list format, combinations of the motor, the amplifier, and the mechanical component selected to allow a user to select one of the plurality of selection results, the selection device further comprising: selection operation accepting circuitry to accept, if the selection result of the mechanical component includes a plurality of selection results of mechanical components an operation of selecting one mechanical component included in the plurality of selection results of the mechanical components; capacity recalculation circuitry to recalculate a capacity of a motor required for operating the machine on a basis of the machine specification information, the operation pattern information, and information indicating a specification of the mechanical component corresponding to the operation accepted by the selection operation accepting circuitry; motor reselection circuitry to reselect a motor on a basis of the capacity recalculated by the capacity recalculation circuitry and the information held in the motor database; and amplifier reselection circuitry to reselect an amplifier on a basis of information on the motor reselected by the motor reselection circuitry and the information held in the amplifier database, wherein the display device displays the mechanical component corresponding to the operation accepted by the selection operation accepting circuitry, the motor reselected by the motor reselection circuitry, and the amplifier reselected by the amplifier reselection circuitry.

2. The selection device according to claim 1 , wherein the information acquisition circuitry further acquires motor condition information indicating a condition of a motor, the motor selection circuitry selects a motor on a basis of the capacity calculated by the capacity calculation circuitry, the information held in the motor database, and the motor condition information, and the motor reselection circuitry reselects a motor on a basis of the capacity recalculated by the capacity recalculation circuitry, the information held in the motor database, and the motor condition information.

3. The selection device according to claim 2 , wherein the mechanical component specification information includes information on a type of mechanical component, the motor condition information includes information on a specification of a motor, and the information acquisition circuitry is configured to: wait for input of the mechanical component specification information in a state where a first information entry screen is displayed on the display device when acquiring the mechanical component specification information; wait for input of the motor condition information in a state where a second information entry screen is displayed on the display device when acquiring the motor condition information; and if information acquired by displaying the first information entry screen on the display device indicates a specification of a motor with a reduction drive, reflect the acquired information in the second information entry screen that is displayed on the display device after acquiring the first information.

4. The selection device according to claim 1 , wherein the information about the mechanical component held in the mechanical component database includes information on a mechanical component manufacturer, and the mechanical component selection circuitry selects a mechanical component corresponding to a manufacturer specified by a user on a basis of the mechanical component specification information, the information about the motor selected by the motor selection circuitry, and the information held in the mechanical component database.

5. The selection device according to claim 4 , wherein a process of adding the mechanical component specification information to the mechanical component database, a process of deleting the mechanical component specification information from the mechanical component database, and a process of editing the mechanical component specification information held in the mechanical component database are performed for each mechanical component manufacturer.

6. The selection device according to claim 4 , wherein the mechanical component database includes a plurality of databases connected via a network, and the plurality of databases store the mechanical component specification information of different manufacturers.

7. The selection device according to claim 4 , wherein the mechanical component is configured to transmit mechanical power from the motor to the machine.

8. A selection method for a selection device to select a motor, an amplifier, and a mechanical component, the selection device including a motor database to store information about a motor, an amplifier database to store information about an amplifier, and a mechanical component database to store information about a mechanical component, the selection method comprising: an information acquisition of acquiring machine specification information indicating a specification of a machine, operation pattern information indicating an operation pattern of the machine, and mechanical component specification information indicating a specification of a mechanical component; a capacity calculation of calculating a capacity of a motor required for operating the machine on a basis of the machine specification information, the operation pattern information, and the mechanical component specification information; a motor selection of selecting a motor on a basis of the capacity and the information held in the motor database; an amplifier selection of selecting an amplifier on a basis of information on the motor selected in the motor selection and the information held in the amplifier database; a mechanical component selection of selecting the mechanical component on a basis of the mechanical component specification information, the information about the motor selected in the motor selection, and the information held in the mechanical component database; and displaying at least one selection result obtained in the motor selection, at least one selection result obtained in the amplifier selection, and at least one selection result obtained in the mechanical component selection, wherein if there are a plurality of selection results in the at least one selection results for at least one of the motor, the amplifier, and the mechanical component, the display device displays, in a list format, combinations of the motor, the amplifier, and the mechanical component selected to allow a user to select one of the plurality of selection results, the method further comprising: a selection operation accepting of accepting if the selection result of the mechanical component includes a plurality of selection results of mechanical components, an operation of selecting one mechanical component included in the plurality of selection results of the mechanical components; a capacity recalculation of recalculating a capacity of a motor required for operating the machine on a basis of the machine specification information, the operation pattern information, and information indicating a specification of the mechanical component corresponding to the operation accepted in the selection operation accepting; a motor reselection of reselecting a motor on a basis of the capacity recalculated in the capacity recalculation and the information held in the motor database; an amplifier reselection of reselecting an amplifier on a basis of information on the motor reselected in the motor reselection and the information held in the amplifier database; and a reselection result displaying of displaying the mechanical component corresponding to the operation accepted in the selection operation accepting, the motor reselected in the motor reselection, and the amplifier reselected in the amplifier reselection.

9. A tangible non-transitory computer-readable recording medium that stores therein a selection program for causing a computer to execute: an information acquisition of acquiring machine specification information indicating a specification of a machine, operation pattern information indicating an operation pattern of the machine, and mechanical component specification information indicating a specification of a mechanical component; a capacity calculation of calculating a capacity of a motor required for operating the machine on a basis of the machine specification information, the operation pattern information, and the mechanical component specification information; a motor selection of selecting a motor on a basis of the capacity and information about a motor held in a motor database; an amplifier selection of selecting an amplifier on a basis of information on the motor selected in the motor selection and information about an amplifier held in an amplifier database; a mechanical component selection of selecting the mechanical component on a basis of the mechanical component specification information, the information about the motor selected in the motor selection, and information about a mechanical component held in a mechanical component database; and displaying at least one selection result obtained in the motor selection, at least one selection result obtained in the amplifier selection, and at least one selection result obtained in the mechanical component selection, wherein if there are a plurality of selection results for the at least one selection results for at least one of the motor, the amplifier, and the mechanical component, the display device displays, in a list format, combinations of the motor, the amplifier, and the mechanical component selected to allow a user to select one of the plurality of selection results, the selection program further causing the computer to execute: a selection operation accepting of accepting, if the selection result of the mechanical component includes a plurality of selection results of mechanical components, an operation of selecting one mechanical component included in the plurality of selection results of the mechanical components; a capacity recalculation of recalculating a capacity of a motor required for operating the machine on a basis of the machine specification information, the operation pattern information, and information indicating a specification of the mechanical component corresponding to the operation accepted in the selection operation accepting; a motor reselection of reelecting a motor on a basis of the capacity recalculated in the capacity recalculation and the information held in the motor database; an amplifier reselection of reselecting an amplifier on a basis of information on the motor reselected in the motor reselection and the information held in the amplifier database; and a reselection result displaying of displaying the mechanical component corresponding to the operation accepted in the selection operation accepting, the motor reselected in the motor reselection, and the amplifier reselected in the amplifier reselection.